/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlet;

import Outils.LiaisonSqlDB;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author SDR
 */
@WebServlet(name = "suppressionLog", urlPatterns = {"/suppressionLog"})
public class SuppressionLog extends HttpServlet {

    LiaisonSqlDB liaisonSqlDB;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            if (request.getSession() == null ) {

                RequestDispatcher dispatcher
                        = getServletContext().getRequestDispatcher("/dispatcheur");
                dispatcher.forward(request, response);
            } else if (request.getSession().getAttribute("authentified") == null) {

                RequestDispatcher dispatcher
                        = getServletContext().getRequestDispatcher("/dispatcheur");
                dispatcher.forward(request, response);
		
            }else if (!((String)request.getSession().getAttribute("authentified")).equalsIgnoreCase("yes")) {
                RequestDispatcher dispatcher
                        = getServletContext().getRequestDispatcher("/dispatcheur");
                dispatcher.forward(request, response);
            } else if (((String) (request.getSession().getAttribute("user"))).equalsIgnoreCase("-1")) {

                request.getSession().invalidate();
                RequestDispatcher dispatcher
                        = getServletContext().getRequestDispatcher("/dispatcheur");
                dispatcher.forward(request, response);
                

            } else {               
                    
                    liaisonSqlDB = new LiaisonSqlDB("localhost", "arnueldb", "arnuel", "mysqlarnuel");
                    
                    boolean res = liaisonSqlDB.suppressionLog(); 
                    
                    if (res) {                        
                        request.setAttribute("info", "Suppression de l'historique effectuée ");
                    } else {
                        request.setAttribute("info", "Suppression échouée");
                    }
                    
                    redirectToSite(request, response, "historique");
                
            }
        }
    }

    public void redirectToSite(HttpServletRequest request, HttpServletResponse response, String site) throws ExceptionInInitializerError, ServletException, IOException {
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/" + site);
        dispatcher.forward(request, response);
        return;
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
